Batteries

The Celestron PowerTank Lithium rechargeable battery uses LiFePO4 battery chemistry for an environmentally friendly design that outlasts and outperforms traditional Lithium-Ion or lead acid batteries. An uncharged shelf life of 10 years, 2000 charge cycles, in a compact, rugged and water-resistant design that makes it a perfect power supply at a star party or while camping. Built-in white and red LED light allows you to use the Celestron PowerTank Lithium as a lantern too.

With the thermo electric cooling system, the DayStar ION Filters are capable of performing precision tuning control, further improving contrast and bandpass performance in the etalon Mag Lev fans without disturbing the view.

With the thermo electric cooling system, the DayStar ION Filters are capable of performing precision tuning control, further improving contrast and bandpass performance in the etalon Mag Lev fans without disturbing the view.

With the thermo electric cooling system, the DayStar ION Filters are capable of performing precision tuning control, further improving contrast and bandpass performance in the etalon Mag Lev fans without disturbing the view.

With the thermo electric cooling system, the DayStar ION Filters are capable of performing precision tuning control, further improving contrast and bandpass performance in the etalon Mag Lev fans without disturbing the view.

With the thermo electric cooling system, the DayStar ION Filters are capable of performing precision tuning control, further improving contrast and bandpass performance in the etalon Mag Lev fans without disturbing the view.

Take your telescope anywhere with this portable rechargeable power supply. The extra large Power Tank 17 is also useful as an emergency roadside accessory. It includes an emergency light, siren, am/fm radio and booster terminals in to start weak car batteries.